Re: [PATCH 2/6] usb: gadget: mv_udc: disable HW zlt for ep0

From: Felipe Balbi
Date: Wed Feb 26 2014 - 10:21:38 EST


On Wed, Feb 26, 2014 at 02:36:19AM +0000, Peter Chen wrote:
>
> > > > > easy to be found.
> > > > >
> > > >
> > > > Chipidea bug too? Does it follow ch 8.5.3.2 Variable-length Data
> > > > Stage, USB
> > > 2.0 spec?
> > >
> > > wait, this is a chipidea core ? Why aren't you guys using the chipidea
> > > driver yet ? You need to switch over to that driver dude, we can't
> > > have duplicated code in the tree.
> > >
> > > I'm sorry, but I won't be taking this series, please use chipidea
> > > driver, it should be very simple to add a glue layer for your core to
> > the chipidea driver.
> > >
> >
> > Yes, it use chipidea IP.
> > But the driver is earlier than the chipidea one and we use it for our
> > products.
> > So it may be not that easy to switch to chipidea driver due to the
> > stability.
> >
>
> Freescale i.mx SoC used fsl_udc_core.c before which was the one of the
> oldest chipidea drivers, now, all i.mx SoC uses chipidea driver including
> old hardware.

Exactly, Freescale and Intel folks have shown that chipidea driver is
pretty good and ready for production.

--
balbi

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